tetra_op

QN8027初始化代码，使用单片机是STM32.(QN8027 initialization code, the use of single-chip STM32.)

说明：  STM32驱动线阵探测器TCD1304正常工作，并采用AD7663进行采集(STM32 Driven Linear Array Detector TCD1304 works normally and uses AD7663 to collect data.)

说明：  利用STM32F103内置ADC实现电压电流采集(Acquisition of Voltage and Current Using STM32F103 Built-in ADC)

说明：  嵌入式系统设计与开发实例详解－－基于ARM的应用（采用ARM7TDMI内核的、三星公司推出的S3C44B0X） 第一部分包含：ADCtest,ARPscan,ColorLCDtest,EINTtest,Ethernet,FAT16test,Flashtest,guiHelloworld.(Embedded System Design and Development example explanation-- ARM-based applications (using ARM7TDMI within nuclear, the company launched S3C44B0X) The first part includes : ADCtest. ARPscan, ColorLCDtest, EINTtest, Ethernet, FAT16test, Flashtest, guiHelloworld.)

IIC与Eprom的通讯程序， 自己写的，希望对新手有所帮助(IIC communicate with Eprom)

基于STM32的2M U盘源码，对STM32的开发很有用(2M U disk on STM32 )

Cortex-M3权威指南中文完美翻译版 学习cortex内核单片机必看(The perfect Chinese translation version of the Cortex-M3 authoritative guide to learn the cortex kernel microcontroller must-see)

说明：  Stm32F103C8T6的跑马灯库函数版(Stm32F103C8T6 Running lantern library function Edition)

说明：  ADI 公司的高精度、三相电能测量芯片 ADE7878 进行电能计量，包括有功、无功和视在电能的计量。实现了电压、电流有效值测量，功率因数测量，以及电压跌落、过压和过流检测、相序检测等电能质量测量功能(ADE7878 goes beyond Class 0.2 Accuracy specification for Active Power Improves Active energy accuracy over line frequency to 0.1% for +/-10% line frequency)

基于STM32开发板，通过模拟寄存器，验证I2C通信功能，(I2C_TwoBoards_ComPolling I2C Two Boards Communication Polling Example)